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<p class="caption"><span class="caption-text">Assets &amp; Files</span></p>
<ul class="current">
<li class="toctree-l1 current"><a class="current reference internal" href="">Uploading assets</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#id1">Uploading assets</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#request-syntax">Request syntax</a></li>
<li class="toctree-l3"><a class="reference internal" href="#example-request">Example request</a></li>
<li class="toctree-l3"><a class="reference internal" href="#example-response">Example response</a></li>
</ul>
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<li class="toctree-l2"><a class="reference internal" href="#updating-assets">Updating assets</a></li>
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<li class="toctree-l1"><a class="reference internal" href="retrieving-assets.html">Retrieving assets</a></li>
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  <div class="section" id="uploading-assets">
<h1>Uploading assets<a class="headerlink" href="#uploading-assets" title="Permalink to this headline">¶</a></h1>
<p>With Usergrid, you can store and retrieve files and assets that hold
data objects such as images, video, and audio content.</p>
<p>Usergrid manages these objects as Asset entities. Optionally, you can
use Folder entities to organize related assets.</p>
<div class="section" id="id1">
<h2>Uploading assets<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>Assets can be any file type and can be attached to any entity. When an
asset is uploaded, Usergrid will automatically detect the file metadata
for the asset and save it in the associated entity as a
<code class="docutils literal"><span class="pre">file-metadata</span></code> property. Only 1 asset can be attached to an entity.</p>
<p>To attach an asset to an entity, do the following:</p>
<div class="section" id="request-syntax">
<h3>Request syntax<a class="headerlink" href="#request-syntax" title="Permalink to this headline">¶</a></h3>
<div class="highlight-python"><div class="highlight"><pre>curl -X POST -F name=&#39;&lt;filename&gt;&#39; -F file=@&lt;file_location&gt; &#39;https://api.usergrid.com/&lt;org&gt;/&lt;app&gt;/&lt;collection&gt;/&lt;entity&gt;
</pre></div>
</div>
<p>Parameters</p>
<table border="1" class="docutils">
<colgroup>
<col width="20%" />
<col width="80%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">Parameter</th>
<th class="head">Description</th>
</tr>
</thead>
<tbody valign="top">
<tr class="row-even"><td>filename</td>
<td>A filename to associate with the asset.</td>
</tr>
<tr class="row-odd"><td>file_location</td>
<td>The location of the asset to be uploaded.</td>
</tr>
<tr class="row-even"><td>org Organization</td>
<td>UUID or organization name</td>
</tr>
<tr class="row-odd"><td>app Application</td>
<td>UUID or application name</td>
</tr>
<tr class="row-even"><td>collection</td>
<td>Name or UUID of the collection of the entity you want to attach the asset to.</td>
</tr>
<tr class="row-odd"><td>entity</td>
<td>Name or UUID of an existing entity you want to attach the asset to.</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="example-request">
<h3>Example request<a class="headerlink" href="#example-request" title="Permalink to this headline">¶</a></h3>
<div class="highlight-python"><div class="highlight"><pre>curl -X POST -i -F name=&#39;clouds&#39; -F file=@happy_clouds.jpg &#39;https://api.usergrid.com/your-org/your-app/pictures/&#39;
</pre></div>
</div>
</div>
<div class="section" id="example-response">
<h3>Example response<a class="headerlink" href="#example-response" title="Permalink to this headline">¶</a></h3>
<p>Notice the <code class="docutils literal"><span class="pre">file-metadata</span></code> property in the response.</p>
<div class="highlight-python"><div class="highlight"><pre><span class="p">{</span>
    <span class="s">&quot;action&quot;</span> <span class="p">:</span> <span class="s">&quot;post&quot;</span><span class="p">,</span>
    <span class="s">&quot;application&quot;</span> <span class="p">:</span> <span class="s">&quot;f34f4222-a166-11e2-a7f7-02e81adcf3d0&quot;</span><span class="p">,</span>
    <span class="s">&quot;params&quot;</span> <span class="p">:</span> <span class="p">{</span> <span class="p">},</span>
    <span class="s">&quot;path&quot;</span> <span class="p">:</span> <span class="s">&quot;/users&quot;</span><span class="p">,</span>
    <span class="s">&quot;uri&quot;</span> <span class="p">:</span> <span class="s">&quot;https://api.usergrid.com/amuramoto/sandbox/pictures&quot;</span><span class="p">,</span>
    <span class="s">&quot;entities&quot;</span> <span class="p">:</span> <span class="p">[</span> <span class="p">{</span>
    <span class="s">&quot;uuid&quot;</span> <span class="p">:</span> <span class="s">&quot;410b213a-b379-11e3-a0e5-9953085ea376&quot;</span><span class="p">,</span>
    <span class="s">&quot;type&quot;</span> <span class="p">:</span> <span class="s">&quot;user&quot;</span><span class="p">,</span>
    <span class="s">&quot;name&quot;</span> <span class="p">:</span> <span class="s">&quot;test&quot;</span><span class="p">,</span>
    <span class="s">&quot;created&quot;</span> <span class="p">:</span> <span class="mi">1395681911491</span><span class="p">,</span>
    <span class="s">&quot;modified&quot;</span> <span class="p">:</span> <span class="mi">1399069838919</span><span class="p">,</span>
    <span class="s">&quot;name&quot;</span> <span class="p">:</span> <span class="s">&quot;clouds&quot;</span><span class="p">,</span>
    <span class="s">&quot;file&quot;</span> <span class="p">:</span> <span class="s">&quot;fobnszewobnioerabnoiawegbrn</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span>
    <span class="s">&quot;file-metadata&quot;</span> <span class="p">:</span> <span class="p">{</span>
      <span class="s">&quot;content-type&quot;</span> <span class="p">:</span> <span class="s">&quot;image/jpeg&quot;</span><span class="p">,</span>
      <span class="s">&quot;etag&quot;</span> <span class="p">:</span> <span class="s">&quot;</span><span class="se">\&quot;</span><span class="s">2e1db7299b0a667ed80e674a0ef9d653</span><span class="se">\&quot;</span><span class="s">&quot;</span><span class="p">,</span>
      <span class="s">&quot;last-modified&quot;</span> <span class="p">:</span> <span class="mi">1399070010115</span><span class="p">,</span>
      <span class="s">&quot;content-length&quot;</span> <span class="p">:</span> <span class="mi">28</span><span class="p">,</span>
      <span class="s">&quot;checksum&quot;</span> <span class="p">:</span> <span class="s">&quot;2e1db7299b0a667ed80e674a0ef9d653&quot;</span>
    <span class="p">},</span>
    <span class="s">&quot;metadata&quot;</span> <span class="p">:</span> <span class="p">{</span>
      <span class="s">&quot;connecting&quot;</span> <span class="p">:</span> <span class="p">{</span>
        <span class="s">&quot;likes&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/connecting/likes&quot;</span>
      <span class="p">},</span>
      <span class="s">&quot;path&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376&quot;</span><span class="p">,</span>
      <span class="s">&quot;sets&quot;</span> <span class="p">:</span> <span class="p">{</span>
        <span class="s">&quot;rolenames&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/roles&quot;</span><span class="p">,</span>
        <span class="s">&quot;permissions&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/permissions&quot;</span>
      <span class="p">},</span>
      <span class="s">&quot;connections&quot;</span> <span class="p">:</span> <span class="p">{</span>
        <span class="s">&quot;follows&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/follows&quot;</span>
      <span class="p">},</span>
      <span class="s">&quot;collections&quot;</span> <span class="p">:</span> <span class="p">{</span>
        <span class="s">&quot;activities&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/activities&quot;</span><span class="p">,</span>
        <span class="s">&quot;devices&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/devices&quot;</span><span class="p">,</span>
        <span class="s">&quot;feed&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/feed&quot;</span><span class="p">,</span>
        <span class="s">&quot;groups&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/groups&quot;</span><span class="p">,</span>
        <span class="s">&quot;roles&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/roles&quot;</span><span class="p">,</span>
        <span class="s">&quot;following&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/following&quot;</span><span class="p">,</span>
        <span class="s">&quot;followers&quot;</span> <span class="p">:</span> <span class="s">&quot;/users/410b213a-b379-11e3-a0e5-9953085ea376/followers&quot;</span>
      <span class="p">}</span>
    <span class="p">}</span>
    <span class="p">}</span> <span class="p">],</span>
    <span class="s">&quot;timestamp&quot;</span> <span class="p">:</span> <span class="mi">1399070009986</span><span class="p">,</span>
    <span class="s">&quot;duration&quot;</span> <span class="p">:</span> <span class="mi">441</span><span class="p">,</span>
    <span class="s">&quot;organization&quot;</span> <span class="p">:</span> <span class="s">&quot;your-org&quot;</span><span class="p">,</span>
    <span class="s">&quot;applicationName&quot;</span> <span class="p">:</span> <span class="s">&quot;your-app&quot;</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="updating-assets">
<h2>Updating assets<a class="headerlink" href="#updating-assets" title="Permalink to this headline">¶</a></h2>
<p>To update the data for an asset, perform the same request outlined above
in &#8216;Uploading assets&#8217; as a <code class="docutils literal"><span class="pre">PUT</span></code> request rather than a <code class="docutils literal"><span class="pre">POST</span></code>.</p>
</div>
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